Daniel-Constantin Mierla writes:
Let's try on frame 1:
frame 1
info locals
p *qm
p *f
(gdb) frame 1
#1 fm_free (qmp=0x7f40f262f000, p=0x7f40f31d9d78) at mem/f_malloc.c:609
609 in mem/f_malloc.c
(gdb) info locals
f = 0x7f40f31d9d60
__FUNCTION__ = "fm_free"
(gdb) p *qm
value has been optimized out
(gdb) p *f
$1 = {size = 23896, u = {nxt_free = 0x0, reserved = 0}, prv_free = 0x0}
-- juha